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All Tags » ZipException (RSS)
  • Wrong central directory signature

    I'm getting an exception unzipping a file ("Wrong Central Directory signature") from the ZipFile class. The exception occurs in the function ReadEntries. I'm constructing the class using a stream... FileStream fs = File.OpenRead(Program.CMSZip); ZipFile zf = new ZipFile(fs); The code...
    Posted to Forum by bobulus on 07-15-2015
  • Version required to extract this entry not supported (788)

    Hi, I received an encrypted zip created by 7-Zip 9.04 beta Copyright (c) 1999-2009 Igor Pavlov 2009-05-30 p7zip Version 9.04 (locale=en_US.UTF-8,Utf16=on,HugeFiles=on,16 CPUs) and during the unzip with SharpZipLib 860 the following exception occured "Version required to extract this entry not supported...
    Posted to Forum by EricS on 07-10-2013
  • SharpZipLib cannot compress ICSharpCode.SharpZipLib.dll

    This seems bitterly ironic, and hope I don't make a fool of myself in this first post to the community. When I try to compress ICSharpCode.SharpZipLib.dll I get the following exception: ICSharpCode.SharpZipLib.Zip.ZipException: Entry size/stream size mismatch 1. This happens even when I apply the...
    Posted to Forum by SFun28 on 04-11-2011
  • Is there any method to zip files whith larger size?

    Hi everybody. I'm new to ICSharpCode.SharpZipLib and I added the .dll file into my project; wrote a function (in VB2005) to make my files compressed, and successfully made a zip file with small files. but when the size of the files grow up (my files are toooo large, one about 200MB and one about...
    Posted to Forum by LeoForce on 02-09-2009
  • Exception when Unzip Password Protected file

    - ICSharpCode.SharpZipLib.Zip.ZipException {"Version required to extract this entry not supported (51)"} ICSharpCode.SharpZipLib.Zip.ZipException Here is the Code Is there something I need to do to unzip this file that is password protected Try Dim ArchivFile As New ICSharpCode.SharpZipLib...
    Posted to Forum by wolfman on 09-06-2008
  • Re: Library cannot extract this entry. Version required is (16660)

    hi, I downloaded the source for the version 0.85.4.369 and changed the code in Zipentry.cs like below.. if (versionToExtract != 0) { //return versionToExtract; // original return versionToExtract & 0xff; // changed In the above code 16660 is converted into 20 and it works, means unzips properly before...
    Posted to Forum by Devaraja on 08-21-2008
  • Re: Library cannot extract this entry. Version required is (16660)

    John, Yes, the files are valid zip files, i can able to extract from windows manually but not thro code, while doing am getting above error. I downloaded the source and set VERSION_MADE_BY to 16660; in ZipConstants.cs class and added (Version == 16660) in version ckecking in ZIpEntry class. Its working...
    Posted to Forum by Devaraja on 08-11-2008
  • Trying to use SharpZipLib to extract from a Silverlight .xap file

    Hi, I am hitting my head at the wall and pulling my hair trying to figure out why since the xap format is a .zip file, I can't extract any files from it using the SharpZipLib (which by the way is great!). I get a message saying the compression method is not supported (256), I have tried to look for...
    Posted to Forum by SilverlightDeveloper on 08-10-2008
  • Wrong local header signature @FFFFFFFF

    I've got a 4.66Gb zip64 file created with SharpZipLib, and I get a ZipException "Wrong local header signature @FFFFFFFF" when trying to extract it. WinRAR said the file tests OK, so I dug into the SharpZipLib source and found that ZipEntry.Offset is 0xFFFFFFFF (as are Size and CompressedSize). WriteCentralDirectoryHeader...
    Posted to Forum by Mark Lambert on 05-15-2007
  • Re: [ASP.Net] Security Exception (partially trust callers) in Medium Trust

    Hello, I have the same problem with SharpZipLib component, it works ok on my localhost, but after uploading on the webhosting , I get That assembly does not allow partially trusted callers. Can anybody help, please? Thank you a lot, Iva
    Posted to Forum by haderkova on 04-15-2007
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